FNUS75 KRIW 070147
FWSRIW

SPOT FORECAST FOR DUNCAN...IA CDC
NATIONAL WEATHER SERVICE RIVERTON WY
747 PM MDT SUN SEP 6 2009

FORECAST IS BASED ON REQUEST TIME OF 1905 MDT ON SEPTEMBER 06.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...A COLD FRONT WILL PUSH INTO NORTHERN WY MONDAY TONIGHT WITH THE
FRONT ADVANCING SOUTH TO THE FIRE AREA BY 0700 MONDAY. EXPECT COOLER
TEMPERATURES AND ELEVATED HUMIDITY ON MONDAY. SCATTERED SHOWERS AND
THUNDERSTORMS WILL FORM IN THE AFTERNOON AND CONTINUE INTO THE EVENING OVER
THE AREA. GUSTY WIND AND SMALL HAIL WILL BE THE MAIN THREATS FROM
THE STORMS. A STRONGER COLD FRONT WILL PUSH SOUTH INTO THE
AREA MONDAY NIGHT INTO TUESDAY MORNING. TUESDAY MORNING WILL
FEATURE ISOLATED SHOWERS.

...THUNDERSTORMS IMPLY STRONG GUSTY AND ERRATIC WINDS...
...HAINES INDEX IS HIGH LEVEL HAINES BOTH DAY AND NIGHT...

FORECASTER...LIPSON

.REST OF TONIGHT...
SKY/WEATHER.........PARTLY CLOUDY (45-55 PERCENT). ISOLATED
                    SHOWERS AND POSSIBLY A THUNDERSTORM EARLY IN THE EVENING.
MIN TEMPERATURE.....56-59.
MAX HUMIDITY........67-70 PERCENT.
20 FOOT WINDS.......WEST SOUTHWEST WINDS 9 TO 13 MPH AND GUSTY.
RIDGE TOP WINDS.....WEST 15 TO 20 MPH.
LAL.................2 UNTIL 2400...THEN 1.
CHC OF WETTING RAIN.LESS THAN 5 PERCENT.
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED
                    FIRE GROWTH.

.LABOR DAY...
SKY/WEATHER.........PARTLY CLOUDY (45-55 PERCENT) THEN BECOMING
                    MOSTLY CLOUDY (55-65 PERCENT). ISOLATED RAIN
                    SHOWERS IN THE MORNING...THEN CHANCE OF SHOWERS
                    AND THUNDERSTORMS IN THE AFTERNOON.
MAX TEMPERATURE.....66-68.
MIN HUMIDITY........48-51 PERCENT.
20 FOOT WINDS.......WINDS BECOMING NORTH NORTHEAST AROUND 10 MPH BY 0700.
                    THEN WINDS SHIFTING BACK TO WEST SOUTHWEST
                    10 TO 15 MPH. GUSTY AND ERRATIC
                    WINDS EXPECTED NEAR THUNDERSTORMS IN THE
                    AFTERNOON.
RIDGE TOP WINDS.....SOUTHWEST AROUND 15 MPH SHIFTING TO THE
                    SOUTHEAST LATE IN THE AFTERNOON.
LAL.................1 UNTIL 1200...THEN 4.
CHC OF WETTING RAIN.7 PERCENT.
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED
                    FIRE GROWTH.

.FORECAST DAYS 3 THROUGH 5...
.MONDAY NIGHT...COOLER. MOSTLY CLOUDY. CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE EVENING...THEN SLIGHT CHANCE OF SHOWERS
AFTER MIDNIGHT. LOWS IN THE UPPER 40S. WINDS GENERALLY LESS THAN
10 MPH.
.TUESDAY...PARTLY CLOUDY WITH SLIGHT CHANCE OF SHOWERS AND
ISOLATED THUNDERSTORMS. LOWS IN THE MID 40S. HIGHS IN THE UPPER
60S. WINDS GENERALLY LESS THAN 10 MPH.
.WEDNESDAY...MOSTLY CLEAR. LOWS AROUND 50. HIGHS IN THE MID 70S.
WINDS GENERALLY LESS THAN 10 MPH.
.THURSDAY...MOSTLY CLEAR. LOWS IN THE LOWER 50S. HIGHS IN THE
UPPER 70S. WINDS GENERALLY LESS THAN 10 MPH.
.FRIDAY...MOSTLY CLEAR. LOWS IN THE UPPER 40S. HIGHS IN THE MID
70S. WINDS GENERALLY LESS THAN 10 MPH.

$$

FORECASTER...LIPSON
REQUESTED BY...CATHY HUTTON
REASON FOR REQUEST...WILDFIRE
.TAG 20090906.DUNCA.01/RIW